White, hard crusts; 1% phosphorus.—Sol. in water.—Stimulant and Nutrient.—Uses: Rachitis, and conditions of malnutrition.—Dose: 3—10 grn., 3 t. daily.—Preparation: Syr. (3%).

Calcium Permanganate Merck.—C.P., Cryst.

Deliquescent, brown cryst.—Sol. in water.—Uses: Intern., gastro-enteritis and diarrhea of children; extern., as other permanganates for mouth lotions and for sterilizing water; and vastly more powerful than potassium permanganate.—Dose: 3/4—2 grn., well diluted.

Calcium Phosphate, Tribasic, Merck—(Precipitated Calcium Phosphate, U.S.P.).—Pure, Dry.

Dose: 10—20 grn.

Calcium Sulphite Merck.—Pure.

White powd.—Sol. in 20 parts glycerin, 800 parts water.—Antizymotic.—Uses: Flatulence, diarrhea, and some dyspepsias.—Dose: 2—5 grn., in pastilles.

Calomel,—see Mercury Chloride, Mild.

Calumba—U.S.P.

Columbo.—Dose: 5—20 grn.—Preparations: F.E. (1:1); Tr. (1:10).